EP 0729637 B1 19970709 - ELECTRICAL GAS-BLAST SWITCH
Title (en)
ELECTRICAL GAS-BLAST SWITCH
Title (de)
ELEKTRISCHER DRUCKGASSCHALTER
Title (fr)
DISJONCTEUR ELECTRIQUE A GAZ COMPRIME
Publication
Application
Priority
- DE 9401298 W 19941027
- DE 4339923 A 19931119
Abstract (en)
[origin: CA2176954A1] In a gas-blast switch with a compression device (14) with a compression piston (9) and a compression cylinder (8), at least one of which can be moved by the drive (7) during the cut-off process, starting from a cut-in position (16), reducing a compression space (12) delimited by them, the initial quenching gas pressure is increased in that the compression piston (9) is moved toward the compression cylinder (8) in advance. In order to take advantage of the magnetic effect of the break current, an armature (20) which can be moved by the magnetic field of a stator (26) which can be excited by the break current is provided, producing a pressure influence causing the advance movement of the compression piston (8) via a compression chamber (30).
IPC 1-7
IPC 8 full level
H01H 33/91 (2006.01); H01H 33/88 (2006.01); H01H 33/915 (2006.01)
CPC (source: EP US)
H01H 33/882 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB LI NL SE
DOCDB simple family (publication)
DE 4339923 A1 19950524; CA 2176954 A1 19950326; DE 59403330 D1 19970814; EP 0729637 A1 19960904; EP 0729637 B1 19970709; JP H09505180 A 19970520; US 5742016 A 19980421; WO 9514303 A1 19950526
DOCDB simple family (application)
DE 4339923 A 19931119; CA 2176954 A 19941027; DE 59403330 T 19941027; DE 9401298 W 19941027; EP 94931508 A 19941027; JP 51414794 A 19941027; US 64636996 A 19960709